Pinyin is the system used to transcribe Chinese characters into Roman letters. It helps learners pronounce and read Chinese words accurately.
Topic 2.1: 2.1 Personal and Public Identities in China
拼音 (Pinyin) cheat sheet for homework
汉字 (Hànzì): Chinese characters
声调 (Shēngdiào): Tones in Mandarin Chinese
发音 (Fāyīn): Pronunciation